Why must charge the battery after battery in stock over 6 months?

The longer time the battery been stocked, the battery capacity will decrease, the higher temperature, the battery capacity will decrease more.

If battery storage long time, it will self discharge, self discharge is a kind of micro-current discharge, it will create tight lead sulfate crystals, after long time accumulate, will change to tight lead sulfate floors,
the charge way of constant voltage and limit current can not change the tight lead sulfate floors to active material,finally lead the battery capacity can not be recovered.

please according to below:

1. if the self discharged battery actual capacity above 80% marked capacity: no need to charge by extra.

2. if the self discharged battery actual capacity between 60%-80% marked capacity: please charge the battery

before start use, so can recover its capacity.

3. If the self discharged battery actual capacity below 60% marked capacity: Even recharge can not recover

the battery, so never put the battery in stock over 10months without charge.

In order to keep the battery always in good performance, to the battery which in stock, must charge and

1. If the battery stocked in temperature between 10-20degree, please charge and discharge at least once every 6months.

2. If the battery stocked in temperature between 20-30degree, please charge and discharge at least once every 3months.

3. If the battery stocked in temperature above 30degree, please change the storage place, this temperature will be badly affect on battery capacity and performance

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